Home / 12,471.29-18,703.73-3,704.17

Finding the Fourth Proportional to 12,471.29, 18,703.73 and 3,704.17

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Solution

The fourth proportional to 12,471.29, 18,703.73 and 3,704.17 is: 5,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.29 : 18,703.73 = 3,704.17 : x
  2. Step 2: Convert to fraction form
    12,471.29/18,703.73 = 3,704.17/x
  3. Step 3: Cross multiply
    12,471.29x = 18,703.73 × 3,704.17
  4. Step 4: Simplify right side
    12,471.29x = 69,281,795.55
  5. Step 5: Solve for x
    x = 69,281,795.55/12,471.29
  6. Step 6: Final answer
    x = 5,555.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.